-option "loglevel" l "set loglevel (0-6)" int typestr="level" default="4" no
-option "socket" s "well-known socket (default=/var/paraslash/audiod.socket.$HOSTNAME)" string typestr="filename" no
-option "tmpdir" d "directory for temporary socket (default=~/.paraslash)" string typestr="dirname" no
-option "timeout" t "maximum time in seconds to wait for server response before giving up" int typestr="seconds" default="1" no
-option "bufsize" b "size of internal buffer" int typestr="bytes" default="8192" no
+option "loglevel" l "set loglevel (0-6)" int typestr="level" default="4" optional
+option "socket" s "well-known socket (default=/var/paraslash/audiod.socket.$HOSTNAME)" string typestr="filename" optional
+option "tmpdir" d "directory for temporary socket (default=~/.paraslash)" string typestr="dirname" optional
+option "timeout" t "maximum time in seconds to wait for server response before giving up" int typestr="seconds" default="1" optional
+option "bufsize" b "size of internal buffer" int typestr="bytes" default="8192" optional